Salkie, Raphael
Text and discourse analysis
Routledge, 1995
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Hickey, Raymond, 1954-
A dictionary of varieties of English
Wiley-Blackwell, 2014
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Widdowson, H.G.
Text, context, pretext: critical issues in discourse analysis
H.G. Widdowson, 2004
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Freeborn, Dennis
Varieties of english; an introduction to the study of language
Macmillan, 1993
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The hegemony of English in public discourse
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